But the rarest Original Model 600 was and remains the. 308 comprised total production of only 142 with a Mannlicher-style stock. A successor model, the Remington Mohawk 600 ('72-'79) available in. 223 came out of the Remington Custom Shop in 1966. Before it was officially added to the line, you could order a Model 600 out of the custom gun shop in. 223 Remington only 227 were produced-most in the final year of production. 223 Remington, 6mm Remington, 6.5mm Remington Magnum. There were approximately 94,086 rifles produced in the available calibers of. Its most noticeable feature was the vent rib barrel. The Model 600 was designed to be a guide rifle. This Model was the precursor to the Model 660 (manufactured 1968–1971) the Model Mohawk 600 (manufactured 1972–1979) and the Model 673 (manufactured 2003–2004). While it is commonly believed that production ended in 1967, according to Remington representatives records indicate that it actually ended in 1968. Remington Arms Model 600 was a push-feed bolt-action rifle produced by Remington Arms from 1964–1968.
